User's Manual

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iotTech Corporation, Taiwan
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ITM-FCC3F1 User Manual
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 Power Management
 Integrated Buck DC-DC converter
 Supports coin cell and alkaline battery
 Clock
 Built-in low power 32KHz RC oscillator and support optional 32KHz crystal.
 Optional external 32 kHz crystal (±150 ppm max) and built-in low power oscillator
 General purpose, capture and sleep timers
 FW OTA (Over-The-Air) update support
 Digital Interfaces
 General purpose I/Os: 24
 Two UARTs with hardware flow control up to 3Mbps
 Three SPI+™ interfaces
 One I2C bus at 100 kHz, 400 kHz
 Analog Interfaces
 10-bit Auxiliary ADC inputs up to 16 channels
 6 GPIO pins with 16mA driving capability
 6 PWMs
 Radio Transceiver
 Fully integrated dual-mode 2.4 GHz CMOS transceiver
 Single wire antenna: no external matching and no external T/R switch required
 Current Consumption
 Real Time Clock (RTC) mode with always-on domain alive < 5uA
 Deep sleep current ~ 3 uA
 Timed sleep current ~4 uA